Understanding some key notions of how vocabulary is acquired, can help the learners of the other languages to have better and easier learning, longer retention, and even help the teachers deliver more realistic and effective vocabulary teaching. The purpose of research described in the current study to investigate on particular approach as a theoretical format of abbreviation and acronym strategy which is an easy, simple, powerful, and applicable strategy for learners of the other languages .The facility of such approach lead to make some of psycho-background in the mentality of the learners to feel the vocabulary learning procedure as an easy procedure; and learn new vocabularies easier and better, and have longer retention. Such approach on abbreviation and acronym strategy can be suggested to be applied in both learning and testing of vocabulary in the condition which is possible to have high correlation to find out the correct results. Important is that such approach can spread the positive view on the learnersâ vocabulary knowledge, the vocabulary learning procedure and the evaluation of vocabulary knowledge of the learners. The suggestion of such approach is based on the high correlation among many abbreviations and acronyms which was studied. The application of such approach is discussed in the present study.